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North Carolina Administrative Code
Title 13
Chapter 03
§ 0500
Section .0500 - Existing Installations: Heating Boilers
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.0501
Standard Boilers
.0502
Nonstandard Riveted Boilers
.0503
Nonstandard Welded Boilers
.0504
Nonstandard Cast‑Iron Boilers
.0505
Safety Valves
.0506
Safety Relief Valve Requirements for Hot Water Boilers
.0507
Valve Replacement
.0508
Instruments: Fittings and Control Requirements
.0509
Low Water Fuel Cutoff
.0510
Steam Gauges
.0511
Pressure or Altitude Gauges
.0512
Thermometers
.0513
Water Gauge Glasses
.0514
Stop Valves and Check Valves
.0515
Feedwater Connections
.0516
Return Pump
.0517
Bottom Blowoff and/or Bottom Drain
.0518
Repair and Renewal of Fittings and Appliances